Lint with rubocop-jekyll

.rubocop.yml

@@ -1,9 +1,7 @@
+require: rubocop-jekyll
+
 inherit_gem:
-  jekyll: .rubocop.yml
-AllCops:
-  TargetRubyVersion: 2.3
-  Exclude:
-    - vendor/**/*
+  rubocop-jekyll: .rubocop.yml
 
 Lint/AmbiguousOperator:
   Exclude:

jekyll-compose.gemspec

@@ -25,5 +25,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "rubocop", "~> 0.57.2"
+  spec.add_development_dependency "rubocop-jekyll", "~> 0.1"
 end

lib/jekyll-compose/file_creator.rb

@@ -18,7 +18,7 @@ def create!
 
       def file_path
         return file.path if root.nil? || root.empty?
-        return File.join(root, file.path)
+        File.join(root, file.path)
       end
 
       private

lib/jekyll-compose/file_mover.rb

@@ -55,7 +55,7 @@ def to
 
       def file_path(path)
         return path if root.nil? || root.empty?
-        return File.join(root, path)
+        File.join(root, path)
       end
     end
   end